Abstract
Oscillating probe atomic force microscopy in fluids is simplified when an oscillating force is applied directly to a magnetized cantilever using a solenoid. The response of the detector is simpler than that obtained with acoustic excitation. Reliable operation over a broad frequency range is achieved with excitation amplitudes of a few nm. This lower amplitude appears to facilitate imaging by means of small asperities on the tip. Images of a DNA plasmid bound weakly to mica in water have a full width of 5 nm when scanned with tips of a nominal macroscopic radius of curvature of 50 nm.
Dates
Type | When |
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Created | 23 years, 1 month ago (July 26, 2002, 9:43 a.m.) |
Deposited | 1 year, 6 months ago (Feb. 3, 2024, 6:56 a.m.) |
Indexed | 4 weeks ago (Aug. 2, 2025, 12:11 a.m.) |
Issued | 28 years, 8 months ago (Dec. 23, 1996) |
Published | 28 years, 8 months ago (Dec. 23, 1996) |
Published Print | 28 years, 8 months ago (Dec. 23, 1996) |
@article{Han_1996, title={A magnetically driven oscillating probe microscope for operation in liquids}, volume={69}, ISSN={1077-3118}, url={http://dx.doi.org/10.1063/1.117835}, DOI={10.1063/1.117835}, number={26}, journal={Applied Physics Letters}, publisher={AIP Publishing}, author={Han, Wenhai and Lindsay, S. M. and Jing, Tianwei}, year={1996}, month=dec, pages={4111–4113} }